There are no laws against playing in the dirt, the messages are no less powerful than those from a can of paint, and if the neighbors don’t like it—well, they can just apply water. The technique is also non­toxic, an eco-advantage those hauling aerosol cans down alleys or atop buildings can’t claim.

Graves was generous enough to let us share a few photos of his work and the group stenciling he's done on issues of environmental plunder and the criminal justice system. Enjoy!